There is a way to reduce benzene derivatives to the corresponding 4- cyclohexdiene known as Birch reduction . It involves treatment of aromatic substrate with two mole of active metal as Li or Na in liquid ammonia/alchol mixture.

Mechanism :
Why alcohol, rather than ammonia, the proton source during the Birch reduction ?
A. Alcohal is more acide than ammonia
B. Ammonia and alcohol both have neraly some acidic strenght
C. Ammonia is more acidic than alcohlo.
D. All are incorrect